1 /* Decomposed printf argument list.
2 Copyright (C) 1999, 2002-2003, 2005-2007 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation; either version 2.1 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* This file can be parametrized with the following macros:
18 ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
19 PRINTF_FETCHARGS Name of the function to be defined.
20 STATIC Set to 'static' to declare the function static. */
22 #ifndef PRINTF_FETCHARGS
27 #ifndef PRINTF_FETCHARGS
28 # include "printf-args.h"
35 PRINTF_FETCHARGS (va_list args, arguments *a)
40 for (i = 0, ap = &a->arg[0]; i < a->count; i++, ap++)
44 ap->a.a_schar = va_arg (args, /*signed char*/ int);
47 ap->a.a_uchar = va_arg (args, /*unsigned char*/ int);
50 ap->a.a_short = va_arg (args, /*short*/ int);
53 ap->a.a_ushort = va_arg (args, /*unsigned short*/ int);
56 ap->a.a_int = va_arg (args, int);
59 ap->a.a_uint = va_arg (args, unsigned int);
62 ap->a.a_longint = va_arg (args, long int);
65 ap->a.a_ulongint = va_arg (args, unsigned long int);
67 #if HAVE_LONG_LONG_INT
68 case TYPE_LONGLONGINT:
69 ap->a.a_longlongint = va_arg (args, long long int);
71 case TYPE_ULONGLONGINT:
72 ap->a.a_ulonglongint = va_arg (args, unsigned long long int);
76 ap->a.a_double = va_arg (args, double);
79 ap->a.a_longdouble = va_arg (args, long double);
82 ap->a.a_char = va_arg (args, int);
86 /* Although ISO C 99 7.24.1.(2) says that wint_t is "unchanged by
87 default argument promotions", this is not the case in mingw32,
88 where wint_t is 'unsigned short'. */
90 (sizeof (wint_t) < sizeof (int)
92 : va_arg (args, wint_t));
96 ap->a.a_string = va_arg (args, const char *);
97 /* A null pointer is an invalid argument for "%s", but in practice
98 it occurs quite frequently in printf statements that produce
99 debug output. Use a fallback in this case. */
100 if (ap->a.a_string == NULL)
101 ap->a.a_string = "(NULL)";
104 case TYPE_WIDE_STRING:
105 ap->a.a_wide_string = va_arg (args, const wchar_t *);
106 /* A null pointer is an invalid argument for "%ls", but in practice
107 it occurs quite frequently in printf statements that produce
108 debug output. Use a fallback in this case. */
109 if (ap->a.a_wide_string == NULL)
111 static const wchar_t wide_null_string[] =
114 (wchar_t)'N', (wchar_t)'U', (wchar_t)'L', (wchar_t)'L',
118 ap->a.a_wide_string = wide_null_string;
123 ap->a.a_pointer = va_arg (args, void *);
125 case TYPE_COUNT_SCHAR_POINTER:
126 ap->a.a_count_schar_pointer = va_arg (args, signed char *);
128 case TYPE_COUNT_SHORT_POINTER:
129 ap->a.a_count_short_pointer = va_arg (args, short *);
131 case TYPE_COUNT_INT_POINTER:
132 ap->a.a_count_int_pointer = va_arg (args, int *);
134 case TYPE_COUNT_LONGINT_POINTER:
135 ap->a.a_count_longint_pointer = va_arg (args, long int *);
137 #if HAVE_LONG_LONG_INT
138 case TYPE_COUNT_LONGLONGINT_POINTER:
139 ap->a.a_count_longlongint_pointer = va_arg (args, long long int *);
143 /* The unistdio extensions. */
145 ap->a.a_u8_string = va_arg (args, const uint8_t *);
146 /* A null pointer is an invalid argument for "%U", but in practice
147 it occurs quite frequently in printf statements that produce
148 debug output. Use a fallback in this case. */
149 if (ap->a.a_u8_string == NULL)
151 static const uint8_t u8_null_string[] =
152 { '(', 'N', 'U', 'L', 'L', ')', 0 };
153 ap->a.a_u8_string = u8_null_string;
156 case TYPE_U16_STRING:
157 ap->a.a_u16_string = va_arg (args, const uint16_t *);
158 /* A null pointer is an invalid argument for "%lU", but in practice
159 it occurs quite frequently in printf statements that produce
160 debug output. Use a fallback in this case. */
161 if (ap->a.a_u16_string == NULL)
163 static const uint16_t u16_null_string[] =
164 { '(', 'N', 'U', 'L', 'L', ')', 0 };
165 ap->a.a_u16_string = u16_null_string;
168 case TYPE_U32_STRING:
169 ap->a.a_u32_string = va_arg (args, const uint32_t *);
170 /* A null pointer is an invalid argument for "%llU", but in practice
171 it occurs quite frequently in printf statements that produce
172 debug output. Use a fallback in this case. */
173 if (ap->a.a_u32_string == NULL)
175 static const uint32_t u32_null_string[] =
176 { '(', 'N', 'U', 'L', 'L', ')', 0 };
177 ap->a.a_u32_string = u32_null_string;